YS307 Home Karaoke Bluetooth Speaker RGB Light Loudspeaker with 2 Microphones - Black ?The portable karaoke machine has a built-in large-size professional tuning-grade speaker,which uses advanced audio drivers and digital signal processors to make the sound quality clearer and more stereoscopic and to eliminate all noise ?Portable Bluetooth speakers with microphones are small and light,offering multiple sound effects. Perfect for in-car karaoke,family gatherings,presentations,and more ?The karaoke system is equipped with colorful disco lights and has an independent button to switch the lights. The colorful LED lights allow you,your family,and friends to enjoy a colorful and joyful party atmosphere ?Bluetooth 5.0 for instant pairing and stable transmission,which supports TF card,USB,and AUX input connections ?With EFF tone change function and VOCAL CUT function ?Specification: ?Bluetooth version: 5.0 ?Product size: 16*12*16.7cm ?Material: ABS plastic ?Speaker Battery: 1500mAh lithium battery ?Microphone Battery: 500mAh lithium battery Package included: ?1 x Portable Speaker ?2 x Wireless Microphones ?1 x Charging Cable ?1 x English and Chinese User Manual ?Other things not included